Full schedule: MARCH March 30: Aichi, Japan Title fight: Melvin Jerusalem vs. Yudai Shigeoka, 12 rounds, for Jerusalem's WBC strawweight title Towa Tsuji vs. Shori Umezu, 8 rounds, bantamweights ...

With 17 weight classes in boxing and four major sanctioning bodies that bestow world titles, keeping track of who holds each of the belts can be difficult -- especially when there are sometimes ...